<template>
  <div>
     <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>参数列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
       <el-row :gutter='20'>
           <el-col :span='8'>
               <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodList'>
                  <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
               </el-input>
           </el-col>
           <el-col :span='4'>
               <el-button type='primary' @click="goAddpage">添加商品</el-button>
           </el-col>
       </el-row>
        <!-- table表格区域 -->
        <el-table :data='goodslist' border stripe>
            <el-table-column type='index'></el-table-column>
            <el-table-column label='商品名称' prop='goods_name'></el-table-column>
            <el-table-column label='商品价格(元)' prop='goods_price' width='95px'></el-table-column>
            <el-table-column label='商品重量' prop='goods_weight' width='70px'></el-table-column>
            <el-table-column label='创建时间' prop='add_time' width='140px'>
                <template slot-scope='scope'>
                   {{scope.row.add_time | dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label='操作'  width='130px'>
                <template slot-scope='scope'>
                    <el-button type='primary' icon='el-icon-edit' size='mini'></el-button>
                    <el-button type='danger' icon='el-icon-delete' size='mini' @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination
           @size-change="handleSizeChange"
           @current-change="handleCurrentChange"
           :current-page="queryInfo.pagenum"
           :page-sizes="[1, 5, 10, 15]"
           :page-size="queryInfo.pagesize"
           layout="total, sizes, prev, pager, next, jumper"
           :total="total"
           background>
        </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodslist: [],
      total: 0
    }
  },
  created () {
    this.getGoodList()
  },
  methods: {
    async getGoodList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodList()
    },
    async removeById (id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm('此操作将永久删除该商品，是否继续？', '提示', {
        confirmButtonText: '确定',
        canceButtonText: '取消',
        type: 'warning'
      }).catch(err => { return err })
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style scoped>

</style>
